The Lost Marauder

Its Harry's fourth year and he learns more about his past .He learns what happened that night and why did his parents die. And he also found a bit more of, The marauders prongs , padfoot ,moony ,wormtail but ... there's a fith one , Dragon mostly known to all students as y/n Mayhem.She is connected to Harry some how . People aren't who they seem to be some times.